stockNYSE: MRK • 28 Days Updates
Merck & Co. Inc. (MRK)
Showing Closing Date Range from Oct 1 to Oct 29, 2026.
Merck (MRK) is a global pharmaceutical company developing innovative medicines, vaccines, and biologic therapies, trading on NYSE Stocks. Shares last closed at $146.33, moving -0.62% over the past week and +1.75% across 28 days. Longer term, the stock is +12.39% over 3 months, +29.37% over 6 months and +69.01% over 12 months. Peer pharmaceutical companies PFE (Pfizer) (+6.51%), MRNA (Moderna) (+17.90%), ZTS (Zoetis) (+14.04%), JNJ (Johnson & Johnson) (+6.39%) and VRTX (Vertex Pharmaceuticals) (+6.56%) moved over the same 28-day stretch, for comparison.
Investor Relations:merck.com/investor-relations
Price & Performance Trajectory
Merck & Co. Inc.NYSE: MRK
Latest Close
$146.33
28 Days Updates Trajectory
Showing Closing Date Range from Oct 1 to Oct 29, 2026.Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesMRK session performance
✓ Latest Close USD
$146.33
Latest session close
+$2.52vs period start
Period Return % % GAIN
+1.75%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$154.02 / $138.8
Period range envelope
$15.22channel spread
Total Volume SHARES
210.77M
Period turnover
Avg: 10.04M/dLiquidity
Historical Session Ledger
Daily open, high, low, and close prices with volume and period returns.
Historical Quotes & Breakdown(21 dates)
| Date | Close (USD) | Return % | High | Low | Volume |
|---|---|---|---|---|---|
| Oct 29, 2026 | $146.33 | +3.83% | $149.26 | $143.32 | 13.20M |
| Oct 28, 2026 | $140.93 | -0.63% | $142.40 | $139.21 | 8.23M |
| Oct 27, 2026 | $141.82 | +0.86% | $142.69 | $139.83 | 9.06M |
| Oct 26, 2026 | $140.61 | -3.21% | $146.61 | $139.93 | 13.10M |
| Oct 23, 2026 | $145.27 | -1.34% | $145.44 | $143.41 | 8.38M |
| Oct 22, 2026 | $147.24 | -1.76% | $154.02 | $144.07 | 19.02M |
| Oct 21, 2026 | $149.88 | +1.07% | $150.00 | $147.11 | 9.01M |
| Oct 20, 2026 | $148.30 | +3.25% | $149.36 | $146.12 | 9.92M |
| Oct 19, 2026 | $143.63 | -1.59% | $147.41 | $143.53 | 10.45M |
| Oct 16, 2026 | $145.95 | +0.52% | $147.80 | $145.61 | 11.23M |
| Oct 15, 2026 | $145.19 | -1.48% | $152.34 | $144.91 | 13.87M |
| Oct 14, 2026 | $147.37 | +3.80% | $148.16 | $142.66 | 9.80M |
| Oct 13, 2026 | $141.98 | -2.39% | $145.93 | $141.58 | 8.38M |
| Oct 12, 2026 | $145.45 | -0.10% | $146.36 | $144.64 | 8.02M |
| Oct 09, 2026 | $145.60 | +2.26% | $146.68 | $141.36 | 9.29M |
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